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mpv/libmpcodecs/vf_expand.c

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#define OSD_SUPPORT
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../config.h"
#include "../mp_msg.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include "../libvo/fastmemcpy.h"
#ifdef OSD_SUPPORT
#include "../libvo/sub.h"
#include "../libvo/osd.h"
#endif
#include "m_option.h"
#include "m_struct.h"
#define MAX(a,b) ((a) > (b) ? (a) : (b))
static struct vf_priv_s {
int exp_w,exp_h;
int exp_x,exp_y;
int osd;
unsigned char* fb_ptr;
} vf_priv_dflt = {
-1,-1,
-1,-1,
0,
NULL
};
extern int opt_screen_size_x;
extern int opt_screen_size_y;
//===========================================================================//
#ifdef OSD_SUPPORT
static struct vf_instance_s* vf=NULL; // fixme (needs sub.c changes)
static int orig_w,orig_h;
static void remove_func_2(int x0,int y0, int w,int h){
// TODO: let's cleanup the place
//printf("OSD clear: %d;%d %dx%d \n",x0,y0,w,h);
vf_mpi_clear(vf->dmpi,x0,y0,w,h);
}
static void remove_func(int x0,int y0, int w,int h){
if(!vo_osd_changed_flag) return;
// split it to 4 parts:
if(y0<vf->priv->exp_y){
// it has parts above the image:
int y=y0+h;
if(y>vf->priv->exp_y) y=vf->priv->exp_y;
remove_func_2(x0,y0,w,y-y0);
if(y0+h<=vf->priv->exp_y) return;
h-=y-y0;y0=y;
}
if(y0+h>vf->priv->exp_y+orig_h){
// it has parts under the image:
int y=y0;
if(y<vf->priv->exp_y+orig_h) y=vf->priv->exp_y+orig_h;
remove_func_2(x0,y,w,y0+h-y);
if(y0>=vf->priv->exp_y+orig_h) return;
h=y-y0;
}
if(x0>=vf->priv->exp_x || x0+w<=vf->priv->exp_x+orig_w) return;
// TODO clear left and right side of the image if needed
}
static void draw_func(int x0,int y0, int w,int h,unsigned char* src, unsigned char *srca, int stride){
unsigned char* dst;
if(!vo_osd_changed_flag && vf->dmpi->planes[0]==vf->priv->fb_ptr){
// ok, enough to update the area inside the video, leave the black bands
// untouched!
if(x0<vf->priv->exp_x){
int tmp=vf->priv->exp_x-x0;
w-=tmp; src+=tmp; srca+=tmp; x0+=tmp;
}
if(y0<vf->priv->exp_y){
int tmp=vf->priv->exp_y-y0;
h-=tmp; src+=tmp*stride; srca+=tmp*stride; y0+=tmp;
}
if(x0+w>vf->priv->exp_x+orig_w){
w=vf->priv->exp_x+orig_w-x0;
}
if(y0+h>vf->priv->exp_y+orig_h){
h=vf->priv->exp_y+orig_h-y0;
}
}
if(w<=0 || h<=0) return; // nothing to do...
// printf("OSD redraw: %d;%d %dx%d \n",x0,y0,w,h);
dst=vf->dmpi->planes[0]+
vf->dmpi->stride[0]*y0+
(vf->dmpi->bpp>>3)*x0;
switch(vf->dmpi->imgfmt){
case IMGFMT_BGR15:
case IMGFMT_RGB15:
vo_draw_alpha_rgb15(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
break;
case IMGFMT_BGR16:
case IMGFMT_RGB16:
vo_draw_alpha_rgb16(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
break;
case IMGFMT_BGR24:
case IMGFMT_RGB24:
vo_draw_alpha_rgb24(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
break;
case IMGFMT_BGR32:
case IMGFMT_RGB32:
vo_draw_alpha_rgb32(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
break;
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
case IMGFMT_YVU9:
case IMGFMT_IF09:
case IMGFMT_Y800:
case IMGFMT_Y8:
vo_draw_alpha_yv12(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
break;
case IMGFMT_YUY2:
vo_draw_alpha_yuy2(w,h,src,srca,stride,dst,vf->dmpi->stride[0]);
break;
case IMGFMT_UYVY:
vo_draw_alpha_yuy2(w,h,src,srca,stride,dst+1,vf->dmpi->stride[0]);
break;
}
}
static void draw_osd(struct vf_instance_s* vf_,int w,int h){
vf=vf_;orig_w=w;orig_h=h;
// printf("======================================\n");
if(vf->priv->exp_w!=w || vf->priv->exp_h!=h ||
vf->priv->exp_x || vf->priv->exp_y){
// yep, we're expanding image, not just copy.
if(vf->dmpi->planes[0]!=vf->priv->fb_ptr){
// double buffering, so we need full clear :(
remove_func(0,0,vf->priv->exp_w,vf->priv->exp_h);
} else {
// partial clear:
vo_remove_text(vf->priv->exp_w,vf->priv->exp_h,remove_func);
}
}
vo_draw_text(vf->priv->exp_w,vf->priv->exp_h,draw_func);
// save buffer pointer for double buffering detection - yes, i know it's
// ugly method, but note that codecs with DR support does the same...
if(vf->dmpi)
vf->priv->fb_ptr=vf->dmpi->planes[0];
}
#endif
//===========================================================================//
static int config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt){
if (outfmt == IMGFMT_IF09) return 0;
// calculate the missing parameters:
#if 0
if(vf->priv->exp_w<width) vf->priv->exp_w=width;
if(vf->priv->exp_h<height) vf->priv->exp_h=height;
#else
if ( vf->priv->exp_w == -1 ) vf->priv->exp_w=width;
else if (vf->priv->exp_w < -1 ) vf->priv->exp_w=width - vf->priv->exp_w;
else if ( vf->priv->exp_w<width ) vf->priv->exp_w=width;
if ( vf->priv->exp_h == -1 ) vf->priv->exp_h=height;
else if ( vf->priv->exp_h < -1 ) vf->priv->exp_h=height - vf->priv->exp_h;
else if( vf->priv->exp_h<height ) vf->priv->exp_h=height;
#endif
if(vf->priv->exp_x<0 || vf->priv->exp_x+width>vf->priv->exp_w) vf->priv->exp_x=(vf->priv->exp_w-width)/2;
if(vf->priv->exp_y<0 || vf->priv->exp_y+height>vf->priv->exp_h) vf->priv->exp_y=(vf->priv->exp_h-height)/2;
vf->priv->fb_ptr=NULL;
if(!opt_screen_size_x && !opt_screen_size_y){
d_width=d_width*vf->priv->exp_w/width;
d_height=d_height*vf->priv->exp_h/height;
}
return vf_next_config(vf,vf->priv->exp_w,vf->priv->exp_h,d_width,d_height,flags,outfmt);
}
// there are 4 cases:
// codec --DR--> expand --DR--> vo
// codec --DR--> expand -copy-> vo
// codec -copy-> expand --DR--> vo
// codec -copy-> expand -copy-> vo (worst case)
static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){
// if(mpi->type==MP_IMGTYPE_IPB) return; // not yet working
#ifdef OSD_SUPPORT
if(vf->priv->osd && (mpi->flags&MP_IMGFLAG_PRESERVE)){
// check if we have to render osd!
vo_update_osd(vf->priv->exp_w, vf->priv->exp_h);
if(vo_osd_check_range_update(vf->priv->exp_x,vf->priv->exp_y,
vf->priv->exp_x+mpi->w,vf->priv->exp_y+mpi->h)) return;
}
#endif
if(vf->priv->exp_w==mpi->width ||
(mpi->flags&(MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_ACCEPT_WIDTH)) ){
// try full DR !
mpi->priv=vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
mpi->type, mpi->flags,
MAX(vf->priv->exp_w, mpi->width +vf->priv->exp_x),
MAX(vf->priv->exp_h, mpi->height+vf->priv->exp_y));
#if 1
if((vf->dmpi->flags & MP_IMGFLAG_DRAW_CALLBACK) &&
!(vf->dmpi->flags & MP_IMGFLAG_DIRECT)){
printf("Full DR not possible, trying SLICES instead!\n");
return;
}
#endif
// set up mpi as a cropped-down image of dmpi:
if(mpi->flags&MP_IMGFLAG_PLANAR){
mpi->planes[0]=vf->dmpi->planes[0]+
vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x;
mpi->planes[1]=vf->dmpi->planes[1]+
(vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[1]+(vf->priv->exp_x>>mpi->chroma_x_shift);
mpi->planes[2]=vf->dmpi->planes[2]+
(vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[2]+(vf->priv->exp_x>>mpi->chroma_x_shift);
mpi->stride[1]=vf->dmpi->stride[1];
mpi->stride[2]=vf->dmpi->stride[2];
} else {
mpi->planes[0]=vf->dmpi->planes[0]+
vf->priv->exp_y*vf->dmpi->stride[0]+
vf->priv->exp_x*(vf->dmpi->bpp/8);
}
mpi->stride[0]=vf->dmpi->stride[0];
mpi->width=vf->dmpi->width;
mpi->flags|=MP_IMGFLAG_DIRECT;
mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
// vf->dmpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
}
}
static void start_slice(struct vf_instance_s* vf, mp_image_t *mpi){
// printf("start_slice called! flag=%d\n",mpi->flags&MP_IMGFLAG_DRAW_CALLBACK);
if(!vf->next->draw_slice){
mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
return;
}
// they want slices!!! allocate the buffer.
if(!mpi->priv)
mpi->priv=vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
// MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
mpi->type, mpi->flags,
MAX(vf->priv->exp_w, mpi->width +vf->priv->exp_x),
MAX(vf->priv->exp_h, mpi->height+vf->priv->exp_y));
if(!(vf->dmpi->flags&MP_IMGFLAG_DRAW_CALLBACK))
printf("WARNING! next filter doesn't support SLICES, get ready for sig11...\n"); // shouldn't happen.
}
static void draw_slice(struct vf_instance_s* vf,
unsigned char** src, int* stride, int w,int h, int x, int y){
// printf("draw_slice() called %d at %d\n",h,y);
vf_next_draw_slice(vf,src,stride,w,h,x+vf->priv->exp_x,y+vf->priv->exp_y);
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
if(mpi->flags&MP_IMGFLAG_DIRECT || mpi->flags&MP_IMGFLAG_DRAW_CALLBACK){
vf->dmpi=mpi->priv;
if(!vf->dmpi) { printf("Why do we get NULL \n"); return 0; }
mpi->priv=NULL;
if(mpi->flags&MP_IMGFLAG_DRAW_CALLBACK){
if(vf->priv->exp_y>0)
vf_next_draw_slice(vf, vf->dmpi->planes, vf->dmpi->stride,
vf->dmpi->w,vf->priv->exp_y,0,0);
if(vf->priv->exp_y+mpi->h<vf->dmpi->h)
vf_next_draw_slice(vf, vf->dmpi->planes, vf->dmpi->stride,
vf->dmpi->w,vf->dmpi->h-(vf->priv->exp_y+mpi->h),
0,vf->priv->exp_y+mpi->h);
}
#ifdef OSD_SUPPORT
if(vf->priv->osd) draw_osd(vf,mpi->w,mpi->h);
#endif
// we've used DR, so we're ready...
if(!(mpi->flags&MP_IMGFLAG_PLANAR))
vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette
return vf_next_put_image(vf,vf->dmpi);
}
// hope we'll get DR buffer:
vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
vf->priv->exp_w, vf->priv->exp_h);
// copy mpi->dmpi...
if(mpi->flags&MP_IMGFLAG_PLANAR){
memcpy_pic(vf->dmpi->planes[0]+
vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x,
mpi->planes[0], mpi->w, mpi->h,
vf->dmpi->stride[0],mpi->stride[0]);
memcpy_pic(vf->dmpi->planes[1]+
(vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[1]+(vf->priv->exp_x>>mpi->chroma_x_shift),
mpi->planes[1], mpi->chroma_width, mpi->chroma_height,
vf->dmpi->stride[1],mpi->stride[1]);
memcpy_pic(vf->dmpi->planes[2]+
(vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[2]+(vf->priv->exp_x>>mpi->chroma_x_shift),
mpi->planes[2], mpi->chroma_width, mpi->chroma_height,
vf->dmpi->stride[2],mpi->stride[2]);
} else {
memcpy_pic(vf->dmpi->planes[0]+
vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x*(vf->dmpi->bpp/8),
mpi->planes[0], mpi->w*(vf->dmpi->bpp/8), mpi->h,
vf->dmpi->stride[0],mpi->stride[0]);
vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette
}
#ifdef OSD_SUPPORT
if(vf->priv->osd) draw_osd(vf,mpi->w,mpi->h);
#endif
return vf_next_put_image(vf,vf->dmpi);
}
//===========================================================================//
static int control(struct vf_instance_s* vf, int request, void* data){
#ifdef OSD_SUPPORT
switch(request){
case VFCTRL_DRAW_OSD:
if(vf->priv->osd) return CONTROL_TRUE;
}
#endif
return vf_next_control(vf,request,data);
}
static int open(vf_instance_t *vf, char* args){
vf->config=config;
vf->control=control;
vf->start_slice=start_slice;
vf->draw_slice=draw_slice;
vf->get_image=get_image;
vf->put_image=put_image;
if(!vf->priv) {
vf->priv=malloc(sizeof(struct vf_priv_s));
vf->priv->exp_x=
vf->priv->exp_y=
vf->priv->exp_w=
vf->priv->exp_h=-1;
vf->priv->osd=0;
// parse args ->
} // if(!vf->priv)
if(args) sscanf(args, "%d:%d:%d:%d:%d",
&vf->priv->exp_w,
&vf->priv->exp_h,
&vf->priv->exp_x,
&vf->priv->exp_y,
&vf->priv->osd);
mp_msg(MSGT_VFILTER, MSGL_INFO, "Expand: %d x %d, %d ; %d (-1=autodetect) osd: %d\n",
vf->priv->exp_w,
vf->priv->exp_h,
vf->priv->exp_x,
vf->priv->exp_y,
vf->priv->osd);
return 1;
}
#define ST_OFF(f) M_ST_OFF(struct vf_priv_s,f)
static m_option_t vf_opts_fields[] = {
{"w", ST_OFF(exp_w), CONF_TYPE_INT, 0, 0 ,0, NULL},
{"h", ST_OFF(exp_h), CONF_TYPE_INT, 0, 0 ,0, NULL},
{"x", ST_OFF(exp_x), CONF_TYPE_INT, M_OPT_MIN, -1, 0, NULL},
{"y", ST_OFF(exp_y), CONF_TYPE_INT, M_OPT_MIN, -1, 0, NULL},
{"osd", ST_OFF(osd), CONF_TYPE_FLAG, 0 , 0, 1, NULL},
{ NULL, NULL, 0, 0, 0, 0, NULL }
};
static m_struct_t vf_opts = {
"expand",
sizeof(struct vf_priv_s),
&vf_priv_dflt,
vf_opts_fields
};
vf_info_t vf_info_expand = {
#ifdef OSD_SUPPORT
"expanding & osd",
#else
"expanding",
#endif
"expand",
"A'rpi",
"",
open,
&vf_opts
};
//===========================================================================//
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